Beginners • Re: upgraded kernel not loading

Code:

$ sudo apt install --reinstall linux-image-rpi-v8Reading package lists... DoneBuilding dependency tree... DoneReading state information... Done0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded.Need to get 1,436 B of archives.After this operation, 0 B of additional disk space will be used.Get:1 http://archive.raspberrypi.org/debian bookworm/main arm64 linux-image-rpi-v8 arm64 1:6.12.20-1+rpt1~bpo12+1 [1,436 B]Fetched 1,436 B in 1s (1,637 B/s)                           (Reading database ... 110567 files and directories currently installed.)Preparing to unpack .../linux-image-rpi-v8_1%3a6.12.20-1+rpt1~bpo12+1_arm64.deb ...Unpacking linux-image-rpi-v8 (1:6.12.20-1+rpt1~bpo12+1) over (1:6.12.20-1+rpt1~bpo12+1) ...Setting up linux-image-rpi-v8 (1:6.12.20-1+rpt1~bpo12+1) ...Scanning processes...                                                                                                                                                                                         Scanning processor microcode...                                                                                                                                                                               Scanning linux images...                                                                                                                                                                                      The processor microcode seems to be up-to-date.No services need to be restarted.No containers need to be restarted.No user sessions are running outdated binaries.No VM guests are running outdated hypervisor (qemu) binaries on this host.

Code:

$ sudo apt install --reinstall linux-image-6.12.20+rpt-rpi-v8Reading package lists... DoneBuilding dependency tree... DoneReading state information... Done0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded.Need to get 31.6 MB of archives.After this operation, 0 B of additional disk space will be used.Get:1 http://archive.raspberrypi.org/debian bookworm/main arm64 linux-image-6.12.20+rpt-rpi-v8 arm64 1:6.12.20-1+rpt1~bpo12+1 [31.6 MB]Fetched 31.6 MB in 4s (7,392 kB/s)                         (Reading database ... 110567 files and directories currently installed.)Preparing to unpack .../linux-image-6.12.20+rpt-rpi-v8_1%3a6.12.20-1+rpt1~bpo12+1_arm64.deb ...Unpacking linux-image-6.12.20+rpt-rpi-v8 (1:6.12.20-1+rpt1~bpo12+1) over (1:6.12.20-1+rpt1~bpo12+1) ...Setting up linux-image-6.12.20+rpt-rpi-v8 (1:6.12.20-1+rpt1~bpo12+1) .../etc/kernel/postinst.d/initramfs-tools:update-initramfs: Generating /boot/initrd.img-6.12.20+rpt-rpi-v8Scanning processes...                                                                                                                                                                                         Scanning processor microcode...                                                                                                                                                                               Scanning linux images...                                                                                                                                                                                      The processor microcode seems to be up-to-date.No services need to be restarted.No containers need to be restarted.No user sessions are running outdated binaries.No VM guests are running outdated hypervisor (qemu) binaries on this host.